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fkie_cve-2026-47256

OpenTelemetry, also known as OTel, is a vendor-neutral open source Observability framework for instrumenting, generating, collecting, and exporting telemetry data such as traces, metrics, and logs. Prior to 0.154.0, the Sentry exporter reads the remote OTLP sender-controlled service.name resource attribute in exporter/sentryexporter/sentry_exporter.go through extractProjectSlug and getOrCreateProjectEndpoint, passes the raw project slug to GetOTLPEndpoints and GetProjectKeys in exporter/sentryexporter/sentry_client.go, and interpolates it into a Sentry API URL without applying projectSlugRegexp through validateRoutingConfig at runtime in exporter/sentryexporter/config.go. Special characters can turn the expected path suffix into query data in all deployments or introduce slash and dot segments that traverse paths when the Sentry deployment normalizes them, while the Collector attaches its operator-configured bearer token to the request. A successful request can reach token-authorized administrative, organization, member, or key endpoints within the configured Sentry organization, and an attacker-controlled project slug can redirect subsequently exported telemetry. Sentry token middleware prevents cross-organization access. This issue is fixed in version 0.154.0.

GHSA-4jvg-4jfx-fmhc — opentelemetry-collector-contrib sentryexporter: Path traversal in Sentry exporter via attacker-controlled service.name…

Affected: Go: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/sentryexporter

Summary The Sentry exporter constructs Sentry API URLs by interpolating the span's service.name resource attribute into the URL path without validation. Because service.name is controlled by remote OTLP senders and the operator-configured bearer token is attached to every request, a crafted service name can reach arbitrary Sentry API endpoints reachable by that token — including privileged admin, organization, and member endpoints within the configured Sentry organization. Affected - exporter/sentryexporter/sentry_exporter.go (lines 715–737) — extractProjectSlug returns the attacker-controlled service.name directly as the slug. - exporter/sentryexporter/sentry_exporter.go (lines 745–809) — getOrCreateProjectEndpoint passes the raw slug to GetOTLPEndpoints at line 761. - exporter/sentryexporter/sentry_client.go (lines 190–244) — GetProjectKeys interpolates the slug into fmt.Sprintf URL path and attaches the operator bearer toke…

RHSA-2026:63152 — Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

github.com/open-telemetry/opentelemetry-collector-contrib/exporter/sentryexporter: opentelemetry-collector-contrib: OpenTelemetry Sentry Exporter: Path traversal allows unauthorized access to Sentry API endpoints github.com/open-telemetry/opentelemetry-collector-contrib/receiver/githubreceiver: OpenTelemetry Collector Contrib githubreceiver: Unauthorized data injection via authentication bypass